:root {
  --el-color-primary: #409EFF;
}

body {
  min-height: 100vh;
  transition: color 0.5s, background-color 0.5s;
  line-height: 1.6;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 15px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  transition: 0.3s;
}